Dr Forest’s Soluble Cal-Mag Supplement. It can be used in a soil mix, as a top dressing or in a liquid feed.
Ingredients:
Micronized Gypsum and Epsom Salt
Calcium 17.9%, Magnesium 3.3% & Sulphur 24.6%
Root Drench
1.5 - 4 teaspoons per gallon of water
Soil Mix
300ml (320g) per 30 litre soil mix / coco
Top-Dressing
5ml (4.6g) per litre of soil mix / coco
Disperse through equal amount of soil mix/ coco before applying to prevent clumping.